M90 to M90 Extension Tube 25mm | Dark Clear Skies IR Astronomy Camera Imaging Benefits:

Imaging Benefits:

Phantom Coating ® Group: The Phantom Group multi-layer coating introduced with the Hyperion ® eyepieces has been  further optimized  for the Morpheus ® eyepieces and adapted to the different types of glass

5 @ 300-1100nm ≥OD4

Off-axis guider (OAG) systems

M90 to M90 Extension Tube 25mm | Dark Clear Skies IR Astronomy Camera Imaging Benefits:M90 to M90 Extension Tube 25mm The Dark Clear Skies M90 to M90 25mm Extension Tube is a precision machined spacer designed for fine back focus adjustment in astrophotography imaging trains that use large diameter M90 threading. Featuring M901 male threads on both ends, this extension tube is ideal for making smaller spacing corrections when pairing reducers, flatteners, filter systems, and cameras that require accurate optical spacing. The 25mm